Draytek 5500 Series manual Enable Access Control

	auto-negotiated during authentication, the field of key setting
	below will be not available for input.
WPA	The WPA encrypts each frame transmitted from the radio using
	the key, which either PSK entered manually in this field below
	or automatically negotiated via 802.1x authentication.
	Type - Select from Mixed (WPA+WPA2) or WPA2 only.
	Pre-Shared Key (PSK) - Either 8~63 ASCII characters, such
	as 012345678..(or 64 Hexadecimal digits leading by 0x, such as
	"0x321253abcde...").
WEP	64-Bit- For 64 bits WEP key, either 5 ASCII characters, such
	as 12345 (or 10 hexadecimal digitals leading by 0x, such as
	0x4142434445.)
	128-Bit- For 128 bits WEP key, either 13 ASCII characters,
	such as ABCDEFGHIJKLM (or 26 hexadecimal digits leading
	by 0x, such as 0x4142434445464748494A4B4C4D).

All wireless devices must support the same WEP encryption bit size and have the same key. Four keys can be entered here, but only one key can be selected at a time. The keys can be entered in ASCII or Hexadecimal. Check the key you wish to use.

3.14.4 Access Control

For additional security of wireless access, the Access Control facility allows you to restrict the network access right by controlling the wireless LAN MAC address of client. Only the valid MAC address that has been configured can access the wireless LAN interface. By clicking the Access Control, a new web page will appear, as depicted below, so that you could edit the clients' MAC addresses to control their access rights.

Enable Access Control	Select to enable the MAC Address access control feature.
Policy	Select to enable any one of the following policy. Choose
	Activate MAC address filter to type in the MAC
138	VigorPro5500 Series User’s Guide